package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分类管理
 */
@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
	@Autowired
	private CategoryService categoryService;

	/**
	 * 新增分类
	 * @param category
	 * @return
	 */
	@PostMapping
	public R<String> save(@RequestBody Category category){
		log.info("category:{}",category);
		categoryService.save(category);
		return R.success("新增分类成功");
	}
	@GetMapping("/page")
	public R<Page> page(Integer page,Integer pageSize){
		//1.创建了分页信息对象
		Page<Category> pageInfo = new Page<>(page,pageSize);
		//2.创建了查询条件对象，并且设置了排序
		LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
		//3.添加排序条件
		queryWrapper.orderByAsc(Category::getSort);
		categoryService.page(pageInfo,queryWrapper);
		return R.success(pageInfo);
	}
	/**
	 * 根据id删除分类
	 * @param id
	 * @return
	 */
	@DeleteMapping
	public  R<String> delete(Long id){
		log.info("删除分类,id为：{}",id);
		// categoryService.removeById(id);
		categoryService.remove(id);
		return R.success("分类信息删除成功");
	}
	/**
	 * 根据id修改分类信息
	 * @param category
	 * @return
	 */
	@PutMapping
	public R<String> update(@RequestBody Category category){
		log.info("修改分类信息：{}",category);
		categoryService.updateById(category);
		return R.success("修改分类信息成功");
	}
	@GetMapping("/list")
	public R<List<Category>> list(Category category){
		LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
		//当category.getType()不为空，加条件
		queryWrapper.eq(category.getType()!=null,Category::getType,category.getType());//查询条件
		queryWrapper.orderByDesc(Category::getUpdateTime);//排序条件
		List<Category> list = categoryService.list(queryWrapper);
		return R.success(list);
	}
}